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author | Tom Rini <trini@konsulko.com> | 2024-07-01 13:17:56 -0600 |
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committer | Tom Rini <trini@konsulko.com> | 2024-07-01 15:00:56 -0600 |
commit | 65fbdab27224ee3943a89496b21862db83c34da2 (patch) | |
tree | 775a0a54066c2e9a6bbba201676e3d896b5cb0e2 /arch/arm/mach-versal2/cpu.c | |
parent | 3f772959501c99fbe5aa0b22a36efe3478d1ae1c (diff) | |
parent | b4cbd1a257d4027038b4f997d73bdb0a066db045 (diff) |
Merge branch 'next'
Diffstat (limited to 'arch/arm/mach-versal2/cpu.c')
-rw-r--r-- | arch/arm/mach-versal2/cpu.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/mach-versal2/cpu.c b/arch/arm/mach-versal2/cpu.c new file mode 100644 index 00000000000..2dfcadb369e --- /dev/null +++ b/arch/arm/mach-versal2/cpu.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 - 2022, Xilinx, Inc. + * Copyright (C) 2022 - 2024, Advanced Micro Devices, Inc. + * + * Michal Simek <michal.simek@amd.com> + */ + +#include <init.h> +#include <asm/armv8/mmu.h> +#include <asm/cache.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/sys_proto.h> +#include <asm/cache.h> +#include <dm/platdata.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define VERSAL2_MEM_MAP_USED 5 + +#define DRAM_BANKS CONFIG_NR_DRAM_BANKS + +/* +1 is end of list which needs to be empty */ +#define VERSAL2_MEM_MAP_MAX (VERSAL2_MEM_MAP_USED + DRAM_BANKS + 1) + +static struct mm_region versal2_mem_map[VERSAL2_MEM_MAP_MAX] = { + { + .virt = 0x80000000UL, + .phys = 0x80000000UL, + .size = 0x70000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0xf0000000UL, + .phys = 0xf0000000UL, + .size = 0x0fe00000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0x400000000UL, + .phys = 0x400000000UL, + .size = 0x200000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0x600000000UL, + .phys = 0x600000000UL, + .size = 0x800000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0xe00000000UL, + .phys = 0xe00000000UL, + .size = 0xf200000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + } +}; + +void mem_map_fill(void) +{ + int banks = VERSAL2_MEM_MAP_USED; + + for (int i = 0; i < CONFIG_NR_DRAM_BANKS; i++) { + /* Zero size means no more DDR that's this is end */ + if (!gd->bd->bi_dram[i].size) + break; + + versal2_mem_map[banks].virt = gd->bd->bi_dram[i].start; + versal2_mem_map[banks].phys = gd->bd->bi_dram[i].start; + versal2_mem_map[banks].size = gd->bd->bi_dram[i].size; + versal2_mem_map[banks].attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE; + banks = banks + 1; + } +} + +struct mm_region *mem_map = versal2_mem_map; + +u64 get_page_table_size(void) +{ + return 0x14000; +} + +U_BOOT_DRVINFO(soc_amd_versal2) = { + .name = "soc_amd_versal2", +}; |